- 20012 Ranke
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Ranke
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =F. Borngen andL. D. Schmadel
discovery_site =Tautenburg
discovered =September 13 ,1991
designations = yes
mp_name = 20012
alt_names = 1991 RV4
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.9130394
perihelion = 2.3232626
semimajor =
eccentricity = 0.1126323
period = 1547.3567236
avg_speed =
inclination = 2.60601
asc_node = 233.21910
mean_anomaly = 331.18601
arg_peri = 139.81464
satellites =
physical_characteristics = yes
dimensions =
mass =
density =
surface_grav =
escape_velocity =
sidereal_day =
axial_tilt =
pole_ecliptic_lat =
pole_ecliptic_lon =
albedo =
temperatures=
temp_name1 =
mean_temp_1 =
max_temp_1 =
temp_name2 =
max_temp_2 =
spectral_type =
abs_magnitude = 15.120012 Ranke (1991 RV4) is a
Main-belt Asteroid discovered onSeptember 13 ,1991 byF. Borngen andL. D. Schmadel atTautenburg .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=20012+Ranke JPL Small-Body Database Browser on 20012 Ranke]
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